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binutils-gdb/ld/testsuite/ld-x86-64/no-plt-func1.c
H.J. Lu d9aee8d5f7 X86-64: Test external function reference without PLT 
To call an external function, the direct branch to the PLT entry can be
replaced by an indirect branch via the GOT slot, which is similar to the
first instruction in the PLT slot.  Instead using the PLT slot as function
address, the function address is retrieved from the GOT slot.  If linker
determines the function is defined locally, it converts indirect branch
via the GOT slot to direct branch with a nop prefix and converts load via
the GOT slot to load immediate or lea,

	* testsuite/ld-x86-64/libno-plt-1b.dd: Likewise.
	* testsuite/ld-x86-64/libno-plt-1b.rd: Likewise.
	* testsuite/ld-x86-64/no-plt-1a.dd: Likewise.
	* testsuite/ld-x86-64/no-plt-1a.rd: Likewise.
	* testsuite/ld-x86-64/no-plt-1b.dd: Likewise.
	* testsuite/ld-x86-64/no-plt-1b.rd: Likewise.
	* testsuite/ld-x86-64/no-plt-1c.dd: Likewise.
	* testsuite/ld-x86-64/no-plt-1c.rd: Likewise.
	* testsuite/ld-x86-64/no-plt-1d.dd: Likewise.
	* testsuite/ld-x86-64/no-plt-1d.rd: Likewise.
	* testsuite/ld-x86-64/no-plt-1e.dd: Likewise.
	* testsuite/ld-x86-64/no-plt-1e.rd: Likewise.
	* testsuite/ld-x86-64/no-plt-1f.dd: Likewise.
	* testsuite/ld-x86-64/no-plt-1f.rd: Likewise.
	* testsuite/ld-x86-64/no-plt-1g.dd: Likewise.
	* testsuite/ld-x86-64/no-plt-1g.rd: Likewise.
	* testsuite/ld-x86-64/no-plt-check1.S: Likewise.
	* testsuite/ld-x86-64/no-plt.exp: Likewise.
	* testsuite/ld-x86-64/no-plt-extern1.S: Likewise.
	* testsuite/ld-x86-64/no-plt-func1.c: Likewise.
	* testsuite/ld-x86-64/no-plt-main1.c: Likewise.
2016-06-08 05:57:18 -07:00

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int
func (void)
{
return 0x12345678;
}
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